bottleneck - don't wait in critical sections, resource garbage collector in driver

1 files changed, 12 insertions, 1 deletions

diff --git a/vxd_svga_cb.c b/vxd_svga_cb.c
index b368ba7..24bc383 100644
--- a/vxd_svga_cb.c
+++ b/vxd_svga_cb.c
@@ -111,6 +111,13 @@ static uint64 cb_next_id = {0, 0};
 #define WAIT_FOR_CB_SYNC_0

 #define WAIT_FOR_CB_SYNC_1 SVGA_Sync();

 

+#define WAIT_FOR_CB_FINAL(_cb) \

+	do{ \

+			while(!CB_queue_check_inline(_cb)){ \

+				SVGA_Sync(); \

+		} \

+	}while(0)

+

 /* wait for all commands */

 void SVGA_Flush_CB()

 {

@@ -158,7 +165,8 @@ void SVGA_CMB_free(DWORD *cmb)
 {

 	SVGACBHeader *cb = ((SVGACBHeader *)cmb)-1;

 

-	WAIT_FOR_CB(cb, 1);

+	//WAIT_FOR_CB(cb, 1);

+	WAIT_FOR_CB_FINAL(cb);

 		

 	_PageFree(cb-1, 0);

 }

@@ -469,6 +477,8 @@ void SVGA_CMB_submit(DWORD FBPTR cmb, DWORD cmb_size, SVGA_CMB_status_t FBPTR st
 	SVGACBHeader *cb = ((SVGACBHeader *)cmb)-1;

 	BOOL proc_by_cb = cb_support && cb_context0 && (flags & SVGA_CB_FORCE_FIFO) == 0;

 	

+	Wait_Semaphore(cb_sem, 0);

+	

 	/* wait and tidy CB queue */

 	if(proc_by_cb)

 	{

@@ -678,6 +688,7 @@ void SVGA_CMB_submit(DWORD FBPTR cmb, DWORD cmb_size, SVGA_CMB_status_t FBPTR st
 		status->fifo_fence_last = SVGA_fence_passed();

 	}

 	

+	Signal_Semaphore(cb_sem);

 	//dbg_printf(dbg_cmd_off, cmb[0]);

 }